Finding the Fourth Proportional to 3,965,437.35, 5,948,285.36 and 1,887,687.45
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Solution
The fourth proportional to 3,965,437.35, 5,948,285.36 and 1,887,687.45 is: 2,831,592.74
Step by Step Solution
- Step 1: Write the proportion equation
3,965,437.35 : 5,948,285.36 = 1,887,687.45 : x - Step 2: Convert to fraction form
3,965,437.35/5,948,285.36 = 1,887,687.45/x - Step 3: Cross multiply
3,965,437.35x = 5,948,285.36 × 1,887,687.45 - Step 4: Simplify right side
3,965,437.35x = 11,228,503,613,652.29 - Step 5: Solve for x
x = 11,228,503,613,652.29/3,965,437.35 - Step 6: Final answer
x = 2,831,592.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.